A she wants students to complete the diagram

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(A) She wants students to complete the diagram themselves as an assignment. (B) She needs to look up some information in order to complete the diagram accurately. (C) The additional information is not relevant to the topic that she wants to discuss next. (D) Students already have the additional information in their textbook. 22. According to the professor, what are two ways in which a moth might react when it detects the presence of a bat? Choose 2 answers . [A] The moth might stop beating its wings. [B] The moth might emit high-frequency sounds. [C] The moth might leave the area. [D] The moth might change its color to match its surroundings. 23. What surprising information did a recent experiment reveal about lesser spear-nosed bats? (A) They filter out echoes from some types of trees. (B) They can analyze echoes from stationary objects with complex surfaces. (C) They cannot analyze “jagged” echoes. (D) They cannot analyze echoes from certain types of small moving objects. 24. According to the professor, why does a pine tree produce a “smooth” echo? (A) Because it has a smooth trunk (B) Because it has large branches spaced at regular intervals (C) Because it has many small, densely packed needles (D) Because it remains stationary in all types of weather
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TOEFL iBT ® Quick Prep 13 LISTENING PRACTICE SET 2 25. Listen to Track 4. (A) To answer a question that Carol asked (B) To correct a statement that Carol made (C) To praise Carol for an example that she gave (D) To give an example of a principle that Carol stated
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TOEFL iBT ® Quick Prep 14 LISTENING PRACTICE SET 3 Listening Practice Set 3: Lecture and Questions Directions: Listen to Track 5. Directions: Now answer the questions. 26. What is the lecture mainly about? (A) Political events that led to the invention of eyeglasses (B) A comparison of attitudes toward vision correction in Europe and China (C) The relationship between the printing press and literacy (D) An overview of vision correction over time 27. According to the professor, what was an advantage of using clear glass instead of quartz to make reading stones? (A) Clear glass was easier to find than quartz. (B) Clear glass was easier to cut to the appropriate size. (C) Clear glass magnified the letters more than quartz did. (D) Clear glass was less expensive than quartz. 28. What does the professor imply about the invention of eyeglasses? (A) Its historical records are more detailed than those of other inventions. (B) It had little impact on social attitudes toward vision correction. (C) Its occurrence in different places at approximately the same time is not unusual. (D) It contributed to a substantial increase in the number of literate people.
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TOEFL iBT ® Quick Prep 15 29. Which sentence best describes eyeglasses before the invention of the printing press? (A) They were available to everyone.
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